<template>
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullCheck"><text>全选</text></radio>
    </label>
    <!-- 合计区域 -->
    <view class="amount-box">
      合计:<text class="amount">¥{{checkoutGoodsAmount}}</text>
    </view>
    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
  </view>
</template>
<script>
  import { mapGetters, mapMutations,mapState } from 'vuex'
  export default {
    data() {
      return {
        //倒计时秒数
        seconds: 3,
        //定时器的Id
        timer: null
      };
    },
    computed: {
      ...mapGetters('m_cart',['checkedCount','total','checkoutGoodsAmount']),
      ...mapGetters('m_user',['addStr']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      isFullCheck() {
        return this.total === this.checkedCount //相等就返回true，就是勾选的
      }
    },
    methods: {
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      changeAllState() {
        this.updateAllGoodsState(!this.isFullCheck)  //没全选，点一下就全选了
      },
      settlement() {
            if (!this.checkedCount) return uni.showToast({
              title: '请选择要结算的商品！',
              icon: 'none',
              duration: 2000
            })
            
            if (!this.addStr) return uni.showToast({
              title: '请选择收货地址！',
              icon: 'none',
              duration: 2000
            })
            
            // if (!this.token) return uni.showToast({
            //   title: '请先登录！',
            //   icon: 'none',
            //   duration: 2000
            // })   
             if(!this.token) return this.delayNavigate()
             
             //实现微信支付功能
             this.payOrder()
    },
   async payOrder() {
      const orderInfo = {
        //order_price: this.checkedGoodsAmount,
        //写死订单总价是 1 分钱
        order_price: 0.01,
        consignee_addr: this.addStr,
        goods: this.cart.filter(x => x.goods_state).map(x => ({goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price}))
      }
      const { data:res} = await uni.$http.post('https://api-hmugo-web.itheima.net/api/public/v1/my/orders/create', orderInfo)
      console.log(res)
      if(res.meta.status !== 200) return uni.showToast({title: '创建订单失败！',icon: 'none',duration: 2000})
      const orderNumber = res.message.order_number
      console.log(orderNumber)
      
      //订单预支付
      const { data:res2 } = await uni.$http.post('https://api-hmugo-web.itheima.net/api/public/v1/my/orders/req_unifiedorder', {order_number: orderNumber})
      if(res.meta.status !== 200) return uni.showToast({title: '预订单创建失败！',icon: 'none',duration: 2000})
      const payInfo = res2.message.pay
      
      //发起微信支付
      const [err, succ] = await uni.requestPayment(payInfo)
      if(err) return uni.showToast({title: '订单未支付！',icon: 'none',duration: 2000})
      const [data,res3] = await uni.$htto.post('https://api-hmugo-web.itheima.net/api/public/v1/my/orders/chkOrder',{order_number: orderNumber})
      if(res3.meta.status !== 200) return uni.showToast({title: '订单未支付！',icon: 'none',duration: 2000})
      uni.showToast({
        title: '支付成功！',icon: 'success',duration: 2000
      })
    },
    //展示倒计时的提示消息
    showTips(n) {
      //调用 uni.showToast()方法，展示提示消息
      uni.showToast({
        icon: 'none',
        title: '请登录后再结算! ' + n + '秒后自动跳转到登录页',
        //为页面添加透明遮罩，防止点击穿透
        mask: true,
        duration: 1500
      })
    },
    delayNavigate() {
       this.seconds = 3
      this.showTips(this.seconds)
      
      //创建定时器，每隔 1 秒执行一次
     this.timer = setInterval(() => {
        this.seconds--
        
        if(this.seconds <= 0) {
          clearInterval(this.timer)
          uni.switchTab({
            url: '/pages/my/my',
            //页面跳转成功之后的回调函数
            success: () => {
              this.updateRedirectInfo({
                openType: 'switchTab',
                from: '/pages/cart/cart'
              })
            }
          })
          return
        }
        this.showTips(this.seconds)
      }, 1000)
    }
  },
  }
</script>
<style lang="scss">
  .my-settle-container {
    position: fixed;
    bottom: 0;
    left: 0;
    
    width: 100%;
    height: 50px;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 5px;
    font-size: 14px;
    
    .radio {
      display: flex;
      align-items: center;
    }
    .amount {
      color: #c00000;
    }
    .btn-settle {
      height: 50px;
      min-width: 100px;
      background-color: #c00000;
      color: white;
      text-align: center;
      line-height: 50px; //行高和高度一样，使得文字居中对齐
      padding:0 10px;
    }
    
  }
</style>
